MultiScan TD-32 series User manual
INSTRUMENTS
MultiScan
OPERATING MANUAL
MODEL TD-32-R
INSTRUMENTS
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
Suc Press +298 KPA
Dis Press +1099 KPA
Oil Press +198 KPA
Comp-Stat 1234 TS4cn
RECIPROCATING COMPRESSOR
CONTROLLER
2
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
© Copyright 2012 Twite Instruments Pty. Ltd. All rights reserved.
No part of this publication may be reproduced, translated into another language,
stored in a retrieval system, or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior written consent of
TWITE INSTRUMENTS Pty. Ltd.
Every precaution has been taken in the preparation of this publication.
TWITE INSTRUMENTS assumes no responsibility for errors or omissions. Nei-
ther is any liability assumed for damages resulting from the use of the information
contained herein.
with this unit are subject to change without notice.
Twite Instruments Pty. Ltd. or any of its Partners, Principals or Employees cannot be
held responsible or liable for any loss of product, produce or buildings where any of
Twite Instruments Pty. Ltd. Products are found to be responsible for the loss of any
product, produce or buildings.
TWITE INSTRUMENTS PTY. LTD. ®
A.C.N. 050 199 758
A.B.N. 41 050 199 758
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
Contents
Terminal Numbers and Position 9
MultiScan positioning and Mounting 10
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
Contents
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
Contents
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
Contents
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
8
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION :-
INSTRUMENTS
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
160mm
5 x 15mm
5 x 15mm 5 x 15mm
90mm
Height 80mm
Suc Press +298 KPA
Dis Press +1099 KPA
Oil Press +198 KPA
Comp-Stat 1234 TS4cn
9
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION :-
INSTRUMENTS
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
7
4
1
8
5
2
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
R1
35
R2
36
R3
37
R4
42
51
46
55
43
52
47
56
44
53
48
57
45
54
49
58
50
59
60
61
62
63
64
65
X50
6
3
R5
R6
R8
R7
Suc Press +298 KPA
Dis Press +1099 KPA
Oil Press +198 KPA
Comp-Stat 1234 TS4cn
R1
R2
R3
R4
R5
R6
R8
R7
10
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION :-
The unit should be mounted at a level for easy viewing and access to setting knob,
in a dry area and not in direct sunlight and not subject to any vibration.
The unit must be mounted as far away from contactors, switching motors, sole-
noids etc. as possible and if possible mount the unit within its own cabinet.
NOTE:- If more than one MultiScan is connected to the same 24v dc power sup-
ply, all terminals numbered 2 must be connected to the same side of the 24v dc
(ground) and all terminals numbered 3 must be connected to the other side of the
24v dc (positive).
The power supply that is used must be used for the MultiScan only (not connect-
ed to any other units including a 24v DC TempScan) and the cable must not run
near or with any control cables.
The power supply cables must be kept away from any control cables that are
connected to the relay control outputs, also sensor and transducer cables must be
kept away from the control cables.
NOTE:-Terminal 1 and 2 are connected together on the circuit board.
NOTE:- The power supply for the unit should be left on at all times to conserve
the battery power for the Real Time Clock and Set Points memory. See Battery
Replacement later in this manual to change the battery.
INSTRUMENTS
1
2
57
58
59
60
61
62
63
64
65
3
GROUND
24V DC NEGATIVE
24V DC POSITIVE
X50
11
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
Terminal No.
22 - The Active common input.
28 - Stage 2 solenoid.
29 - Stage 1 solenoid.
PUSH FOR
SETTING
SELECTING
ENTER
UP/DOWN
AUSTRALIAN MADE
TD-32 SERIES
22
MOTOR START CONTACTOR
STAGE 1 SOLENOID
STAGE 2 SOLENOID
STAGE 3 SOLENOID
STAGE 4 SOLENOID
OIL RETURN SOLENOID
SUMP HEATER CONTACTOR
INTER COOLER
EQUALIZER SOLENOID
COMMON FOR ALL OUTPUTS
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
EXPANSION
12
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
DS18B20 Digital Type (up to 8 temperature sensors may be connected):-
the blue wire of the sensor.
-
age or damage will occur.
Sensors may be calibrated by the end user. See later for calibrating sensors.
Sensor cables must not run parallel or near voltage cables & must be kept well
away from voltage and other control cables, at least 2 meters.
Terminal No.
-
pressor oil, compressor suction, compressor discharge and compressor intermediate
temperature, if more than one sensor is used, the average of all sensors used will be
used as the temperature.
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
DS18B20 Digital Type. Up to 8 temperature sensors may be connected
PROBE 316 SS
40 X 6 MM
PROBE
PLASTIC SHEATH
40 X 6 MM APPROX.
CABLE, 1 METER
CABLE, 1 METER
WHITE, POSITIVE TERM 48
WHITE, POSITIVE TERM 48
BLUE, SIGNAL TERM 49
BLUE, SIGNAL TERM 49
SHIELD GROUND TERM 50
SHIELD GROUND TERM 50
Types of sensors Available
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
46
43
47
44
48
45
49
50
+ POSITIVE--WHITE WIRE
SIGNAL--BLUE WIRE
SHIELD--GROUND
R1
R2
R3
R4
R5
R6
R8
R7
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
PT100 Analog Type (up to 7 temperature sensors may be connected) or
But not both types on the same MultScan.
When the MultiScan is ordered, the type of sensor to be used must be stipulated
Temperature probes that are of the type PT100 (platinum type with a resistance value
The PT100 type must be supplied by the end user and may use only the 2 wire type
allow for this type of sensor to be used.
shielded cable.
must be continuous for the full length.
-
age or damage will occur.
Sensors may be calibrated by the end user. See later for calibrating sensors.
Sensor cables must not run parallel or near voltage cables & must be kept well
away from voltage and other control cables, at least 2 meters
-
pressor oil, compressor suction, compressor discharge and compressor intermediate
temperature, if more than one sensor is used, the average of all sensors used will be
used as the temperature.
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
PT100 Analog Type (up to 7 temperature sensors may be connected):-
Terminal No.
ALL SENSORS CONNECTED PT100
NOT ALL SENSORS CONNECTED PT100
SHIELD
SENSOR No 1
SENSOR No 2
SENSOR No 3
SENSOR No 4
SENSOR No 5
SENSOR No 6
SENSOR No 7
SHIELD
SENSOR No 1
SENSOR No 2
SENSOR No 4
51
55
52
56
53
57
54
58
59
60
61
62
63
64
65
51
55
52
56
53
57
54
58
59
60
61
62
63
64
65
JUMPER
JUMPER
Terminal No.
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
Default Temperature Sensors used for each Function:
Compressor control:
Suction pressure or temperature can be used for compressor control.
If temperature is used, any temperature sensor can be used for control and can be set
by the end user and is used.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used for control.
SENSORS CONNECTED AD590
SHIELD
SENSOR No 1
SENSOR No 2
SENSOR No 3
SENSOR No 4
SENSOR No 5
SENSOR No 6
SENSOR No 7
51
55
52
56
53
57
54
58
59
60
61
62
63
64
65
not all sensors need to
be connected, if a
sensor is not required,
leave the input
terminal open.
+
-
-
-
-
-
-
-
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
Oil probe temperature:
Any temperature sensor can be used for the oil probe and can be set by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used.
Compressor Suction probe temperature:
Any temperature sensor can be used for the compressor suction probe and can be set
by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged and is the temperature used and used for the super heat calcula-
tion.
Compressor discharge probe temperature:
Any temperature sensor can be used for the compressor discharge probe and can be
set by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged.
Compressor intermediate probe temperature:
Any temperature sensor can be used for the compressor intermediate probe and can
be set by the end user.
If more than one sensor is selected, the average of all sensors that return a valid tem-
perature are averaged.
18
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
MultiScan.
work correctly on this voltage.
The cable from the MultiScan to the transducers must be twisted pair shielded type
The shield must be connected at the MultiScan end only and all connections must be
kept dry and clean.
and each Negative must be connected to its particular input terminal.
The shield must be connected to the shield terminal.
Sensor cables must not run parallel or near high voltage cables & must be kept
well away from high voltage and other control cables, at least 2 meters.
Terminal Inputs for channels 1-4
12 - Shield of each cable.
8 - Negative for Compressor Suction Pressure.
11 - Negative for Spare Pressure.
19
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
7
4
8
5
9
10
11
12
42
51
46
55
43
52
47
56
44
53
48
45
54
49
50
6
+12V DC COMMON
+12V DC COMMON
COMPRESSOR INTERMEDIATE
COMPRESSOR CURRENT
REFIGERANT DETECT
HUMIDITY
SHIELD
SHIELD
- NEGATIVE COMP SUCTION PRESSURE
- NEGATIVE COMP DISCHARGE PRESSURE
- NEGATIVE COMP OIL PRESSURE
- NEGATIVE SPARE PRESSURE
X50
20
TWITE INSTRUMENTS MultiScan MODEL TD-32-R OPERATING MANUAL
INSTALLATION CONT.
Shown below are the two ways of interfacing the transducer to the MultiScan.
-
7
4
8
5
9
10
11
12
42
51
46
55
43
52
47
56
44
53
48
45
54
49
50
6
EXTERNAL POWER CONNECTION
THE TRANSDUCER SUPPLIES POWER
-
+
SHIELD
X50
12 = SAME AS 56 (SHEILD)
8 = SAME AS 52 (- INPUT)
9 = SAME AS 53 (- INPUT)
10 = SAME AS 54 (- INPUT)
11 = SAME AS 55 (- INPUT)
7 = SAME AS 51 ( +12 V DC)
7
4
8
5
9
10
11
12
42
51
46
55
43
52
47
56
44
53
48
45
54
49
50
6
LOOP POWER CONNECTION
MULTISCAN SUPPLIES POWER
-
+
SHIELD
X50
12 = SAME AS 56 (SHEILD)
8 = SAME AS 52 (- INPUT)
9 = SAME AS 53 (- INPUT)
10 = SAME AS 54 (- INPUT)
11 = SAME AS 55 (- INPUT)
7 = SAME AS 51 ( +12 V DC)
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1
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